Flat cable lock joint and wiring device

By designing a locking connector suitable for flat cables, and adopting a combination structure of a sleeve body, sealing end cap, and fixing clamp, the problems of fastening, protecting, waterproofing, and dustproofing flat cables during electrical equipment connection are solved, achieving effective sealing and stable fixation of flat cables.

CN224400753UActive Publication Date: 2026-06-23CHINA TOBACCO SICHUAN IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA TOBACCO SICHUAN IND CO LTD
Filing Date
2025-06-17
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The lack of locking connectors for flat cables in the existing technology makes it impossible to achieve effective fastening, protection, waterproofing, and dustproofing when flat cables are connected to electrical equipment.

Method used

A flat cable locking connector was designed, comprising a housing, sealing end caps, sealing connectors, and fixing clamps. By setting sealing end caps and sealing connectors at both ends of the housing for double sealing, and using fixing clamps to fix the flat cable to the outer wall of the housing, waterproof and dustproof protection and fastening of the wire core are achieved.

Benefits of technology

It achieves double sealing of the flat cable core, preventing moisture and dust from entering, while also preventing the core from being accidentally dragged and broken, thus improving the fastening and protection of the flat cable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a flat cable locking joint and a wiring device. The flat cable locking joint comprises a sleeve body, a sealing end cover, a sealing joint and a fixing clamp. The sleeve body is provided with a first wire core channel for the wire core of the flat cable to pass through. The sealing end cover is connected to one end of the sleeve body and is used for sealing the transition between the insulating layer and the wire core of the flat cable. The sealing joint is connected to the other end of the sleeve body and is provided with a second wire core channel for the wire core to pass through. The sealing joint is used for connecting electrical equipment. The fixing clamp is connected to the outer wall of the sleeve body and is used for fixing the part of the flat cable outside the flat cable locking joint to the outer wall of the sleeve body. The flat cable locking joint is suitable for the flat cable and improves the fastening and protection effect on the flat cable.
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Description

Technical Field

[0001] This application relates to the field of cable connection technology, and in particular to a flat cable locking connector and wiring device. Background Technology

[0002] Cable locking fittings are used to secure cables to electrical equipment, cable connectors, or junction boxes, providing cable fastening and protection, as well as waterproofing and dustproofing between the cable and the electrical equipment, cable connectors, or junction boxes.

[0003] Currently, only plastic or metal locking connectors for cylindrical cables are available on the market; there are no dedicated locking connectors for flat cables. However, flat cables are widely used in practical engineering applications, such as in overhead cranes, reciprocating conveyor systems for fabric transport, and elevators. Because there are no dedicated flat cable locking connectors, cylindrical cable locking connectors must be used when connecting flat cables to electrical equipment. This results in flat cables failing to provide effective fastening, protection, waterproofing, and dustproofing when connected to electrical equipment, cable connectors, junction boxes, etc. Utility Model Content

[0004] Therefore, it is necessary to provide a flat cable locking connector and wiring device to address the issue of how to provide a locking connector suitable for flat cables.

[0005] In a first aspect, this application provides a flat cable locking connector, comprising:

[0006] The housing has a first core channel for the cores of a flat cable to pass through;

[0007] A sealing end cap is connected to one end of the sleeve body and is used to seal the transition between the insulation layer and the core of the flat cable.

[0008] A sealing connector is connected to the other end of the housing. The sealing connector has a second wire channel for the wire core to pass through. The sealing connector is used to connect electrical equipment.

[0009] A fixing clamp is attached to the outer wall of the housing and is used to fix the portion of the flat cable outside the flat cable locking connector to the outer wall of the housing.

[0010] The technical solution will be further explained below:

[0011] In one embodiment, the sealing end cap is provided with a first seal, which is used to seal the gap between the sealing end cap and the flat cable.

[0012] In one embodiment, one end of the sealing end cap is fitted onto one end of the sleeve body, and the other end of the sealing end cap protrudes from the sleeve body and is fitted onto the transition between the insulation layer and the core of the flat cable.

[0013] A portion of the first seal is located where the sealing end cap protrudes from the housing, and another portion of the first seal extends into the housing.

[0014] In one embodiment, the sealing end cap has a first connecting hole, the sleeve body has a second connecting hole that aligns with the first connecting hole, and the flat cable locking connector further includes a first bolt and a first nut. The first bolt passes through the first connecting hole and the second connecting hole and is connected to the first nut to fix the sealing end cap on the sleeve body.

[0015] In one embodiment, the fixing clamp includes a clamping part and two connecting parts respectively connected to both ends of the clamping part. The two connecting parts extend outward in the same direction toward the clamping part. Both connecting parts are connected to the outer wall of the sleeve body. A receiving groove for accommodating the flat cable is formed between the clamping part and the outer wall of the sleeve body.

[0016] In one embodiment, the connecting part has a third connecting hole, and the sleeve body has a fourth connecting hole that aligns with the third connecting hole. The flat cable locking connector also includes a second bolt and a second nut. The second bolt passes through the third connecting hole and the fourth connecting hole and is connected to the second nut to fix the sealing end cap on the sleeve body.

[0017] In one embodiment, the sealing joint is provided with a second seal for sealing the gap between the sealing joint and the flat cable.

[0018] In one embodiment, the sealing joint includes a threaded portion with external threads, and the sleeve body has a threaded hole, wherein the threaded portion and the threaded hole are threadedly engaged.

[0019] In one embodiment, the sealing joint connects a third nut and a fourth nut, which are used to lock onto both sides of the housing wall of the electrical equipment, respectively, to fix the sealing joint to the electrical equipment.

[0020] Secondly, this application also provides a wiring device, including a flat cable, an electrical device, and the aforementioned flat cable locking connector, wherein the flat cable passes through the cable locking connector and is electrically connected to the electrical device, and the flat cable locking connector is fixed to the electrical device through the sealing connector.

[0021] In the aforementioned flat cable locking connector and wiring device, by setting sealing end caps and sealing connectors at both ends of the housing, the core of the flat cable passing through the housing can be double-sealed, achieving waterproof and dustproof protection for the core. Simultaneously, the sealing connectors can be used to fix the flat cable locking connector to the electrical equipment, thus locking the flat cable securely to the electrical equipment. Furthermore, by setting fixing clamps on the outer wall of the housing, the portion of the flat cable outside the locking connector can be folded back and fixed to the outer wall of the housing, preventing the core of the flat cable from being directly pulled off when the flat cable is accidentally dragged externally, further improving the fastening and protection effect of the flat cable. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Furthermore, the accompanying drawings are not drawn to a 1:1 scale, and the relative dimensions of the various components are shown as examples only and not necessarily to scale. In the accompanying drawings:

[0025] Figure 1 This is a schematic diagram of the wiring device according to one embodiment.

[0026] Figure 2 for Figure 1 The side view of the wiring device shown.

[0027] Figure 3 This is a schematic diagram of the structure of a flat cable locking connector according to an embodiment.

[0028] Figure 4 This is a side view of a flat cable locking connector according to an embodiment.

[0029] Figure 5 for Figure 3The exploded view of the flat cable locking connector shown is shown.

[0030] Figure 6 for Figure 4 The exploded view of the flat cable locking connector shown is shown.

[0031] Figure 7 This is a schematic diagram of the fixing clamp of a flat cable locking connector according to one embodiment.

[0032] Explanation of reference numerals in the attached figures:

[0033] 10. Flat cable locking connector; 11. Kit body; 12. Sealing end cap; 121. First seal; 13. Sealing joint; 131. Threaded part; 132. Third nut; 133. Fourth nut; 14. Fixing clamp; 141. Pressing part; 142. Connecting part; 151. First bolt; 152. First nut; 161. Second bolt; 162. Second nut; 20. Electrical equipment; 30. Flat cable. Detailed Implementation

[0034] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0035] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0036] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0037] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0039] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0040] See Figure 1 as well as Figure 2 , Figure 1 A schematic diagram of the wiring device according to an embodiment of this application is shown. Figure 2 A side view of a wiring device according to an embodiment of this application is shown. Specifically, the wiring device of one embodiment includes a flat cable 30, an electrical device 20, and a flat cable locking connector 10. The flat cable 30 passes through the cable locking connector and is electrically connected to the electrical device 20. The flat cable locking connector 10 is fixed to the electrical device 20, thereby fixing the flat cable 30 to the electrical device 20. The electrical device 20 includes, but is not limited to, connectors, junction boxes, or other electrical appliances.

[0041] Specifically, as mentioned above, in traditional wiring devices, only cylindrical cable locking connectors can be used to lock the flat cable 30, which means that when the flat cable 30 is connected to electrical equipment 20, cable connectors, junction boxes, etc., it cannot effectively fasten, protect, waterproof, or dustproof.

[0042] Based on this, one embodiment of this application provides a flat cable locking connector 10, see [link to relevant documentation]. Figure 3 as well as Figure 4 One embodiment of the flat cable locking connector 10 includes a sleeve body 11, a sealing end cap 12, a sealing connector 13, and a fixing clamp 14. The sleeve body 11 has a first core channel for the core of the flat cable 30 to pass through. The sealing end cap 12 is connected to one end of the sleeve body 11 and is used to seal the transition between the insulation layer and the core of the flat cable 30. The sealing connector 13 is connected to the other end of the sleeve body 11 and has a second core channel for the core to exit; the sealing connector 13 is used to connect to electrical equipment 20. The fixing clamp 14 is connected to the outer wall of the sleeve body 11 and is used to fix the portion of the flat cable 30 outside the flat cable locking connector 10 to the outer wall of the sleeve body 11.

[0043] When using the above-mentioned flat cable locking connector 10, firstly, the insulation layer of the flat cable 30 is stripped off, leaving the required length for wiring the wire core inside the flat cable. Then, the flat cable 30 is passed through the sealing end cap 12, so that the sealing end cap 12 is fitted onto the transition between the insulation layer and the wire core of the flat cable 30. Then, the sealing end cap 12 is fixed on one end of the sleeve body 11. At the same time, the stripped wire core of the flat cable 30 is passed into the sleeve body 11. Then, the part of the flat cable 30 outside the flat cable locking connector 10 is folded back and fixed to the outer wall of the sleeve body 11 using the fixing clamp 14. Then, the stripped wire core is passed through the sealing connector 13 and electrically connected to the electrical equipment 20. Finally, the sealing connector 13 is fixed to the electrical equipment 20, thus locking and fixing the flat cable 30 to the electrical equipment 20.

[0044] In the aforementioned flat cable locking connector 10, by providing sealing end caps 12 and sealing connectors 13 at both ends of the housing 11, the core of the flat cable 30 passing through the housing 11 can be double-sealed, achieving waterproof and dustproof protection for the core. Simultaneously, the sealing connectors 13 can be used to fix the flat cable locking connector 10 to the electrical equipment 20, thereby locking the flat cable 30 onto the electrical equipment 20. Furthermore, by providing fixing clamps 14 on the outer wall of the housing 11, the portion of the flat cable 30 outside the flat cable locking connector 10 can be folded back and fixed to the outer wall of the housing 11, preventing the core of the flat cable 30 from being directly pulled off when accidentally dragged externally, further improving the fastening and protection effect of the flat cable 30.

[0045] See Figure 5 as well as Figure 6 In some embodiments, the sealing end cap 12 is provided with a first sealing element 121, which is used to seal the gap between the end cap 12 and the flat cable. Specifically, the first sealing element 121 can be a rubber sealing ring. By sealing the gap between the end cap 12 and the flat cable with the first sealing element 121, the sealing effect of the sealing end cap 12 on the flat cable can be improved.

[0046] Optionally, in some embodiments, one end of the sealing end cap 12 is fitted onto one end of the housing 11, and the other end of the sealing end cap 12 protrudes from the housing 11 and is fitted onto the transition between the insulation layer and the core of the flat cable 30; a portion of the first sealing member 121 is located at the portion of the sealing end cap 12 protruding from the housing 11, and the other portion of the first sealing member 121 penetrates into the housing 11. This improves the sealing effect of the first sealing member 121 at the transition between the insulation layer and the core of the flat cable 30.

[0047] See Figure 4 In one embodiment, the sealing end cap 12 has a first connecting hole, and the sleeve body 11 has a second connecting hole that aligns with the first connecting hole. The flat cable locking connector 10 also includes a first bolt 151 and a first nut 152. The first bolt 151 passes through the first connecting hole and the second connecting hole and is connected to the first nut 152 to fix the sealing end cap 12 on the sleeve body 11.

[0048] Furthermore, the sealing end cap 12 has a first connection hole on both sides, and correspondingly, the sleeve body 11 has a second connection hole on both sides. The first connection hole and the second connection hole are aligned one-to-one, and a first bolt 151 is inserted into each of the first connection hole and the second connection hole to improve the connection stability between the sealing end cap 12 and the sleeve body 11.

[0049] See Figure 7In one embodiment, the fixing clamp 14 includes a clamping part 141 and two connecting parts 142 respectively connected to both ends of the clamping part 141. The two connecting parts 142 extend outward toward the same side of the clamping part 141, and both connecting parts 142 are connected to the outer wall of the sleeve body 11. A receiving groove for accommodating the flat cable 30 is formed between the clamping part 141 and the outer wall of the sleeve body 11. Thus, by passing the flat cable 30 through the receiving groove between the clamping part 141 and the outer wall of the sleeve body 11, and then connecting both connecting parts 142 to the outer wall of the sleeve body 11, the flat cable 30 can be fixed to the outer wall of the sleeve body 11.

[0050] See Figure 4 The connecting part 142 has a third connecting hole, and the sleeve body 11 has a fourth connecting hole that aligns with the third connecting hole. The flat cable locking connector 10 also includes a second bolt 161 and a second nut 162. The second bolt 161 passes through the third connecting hole and the fourth connecting hole and is connected to the second nut 162 to fix the sealing end cap 12 on the sleeve body 11.

[0051] Preferably, in some embodiments, the connecting portion 142 has an L-shaped structure, thereby facilitating the connection of the connecting portion 142 to the housing 11.

[0052] Understandably, in other embodiments, the connecting portion 142 may also be attached to the housing 11 by adhesive.

[0053] Optionally, in one embodiment, the sealing joint 13 is provided with a second seal, which is used to seal the gap between the sealing joint 13 and the flat cable, thereby improving the sealing effect of the sealing joint 13 on the flat cable.

[0054] Optionally, in one embodiment, the sealing joint 13 includes a threaded portion 131 with an external thread, and the sleeve body 11 has a threaded hole. The threaded portion 131 is threadedly engaged with the threaded hole, thereby achieving a fixed connection between the sealing joint 13 and the sleeve body 11.

[0055] See Figure 1 as well as Figure 6 In one embodiment, the sealing joint 13 connects a third nut 132 and a fourth nut 133, which are used to lock onto the two sides of the housing wall of the electrical equipment 20, respectively, so as to fix the sealing joint 13 to the electrical equipment 20.

[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A flat cable locking connector, characterized in that, include: The housing has a first core channel for the cores of a flat cable to pass through; A sealing end cap is connected to one end of the sleeve body and is used to seal the transition between the insulation layer and the core of the flat cable. A sealing connector is connected to the other end of the housing. The sealing connector has a second wire channel for the wire core to pass through. The sealing connector is used to connect electrical equipment. A fixing clamp is attached to the outer wall of the housing and is used to fix the portion of the flat cable outside the flat cable locking connector to the outer wall of the housing.

2. The flat cable locking connector according to claim 1, characterized in that, The sealing end cap is provided with a first sealing element, which is used to seal the gap between the sealing end cap and the flat cable.

3. The flat cable locking connector according to claim 2, characterized in that, One end of the sealing end cap is fitted onto one end of the sleeve body, and the other end of the sealing end cap protrudes from the sleeve body and is fitted onto the transition between the insulation layer and the core of the flat cable. A portion of the first seal is located where the sealing end cap protrudes from the housing, and another portion of the first seal extends into the housing.

4. The flat cable locking connector according to claim 1, characterized in that, The sealing end cap has a first connecting hole, and the sleeve body has a second connecting hole that aligns with the first connecting hole. The flat cable locking connector also includes a first bolt and a first nut. The first bolt passes through the first connecting hole and the second connecting hole and is connected to the first nut to fix the sealing end cap on the sleeve body.

5. The flat cable locking connector according to claim 1, characterized in that, The fixing clamp includes a clamping part and two connecting parts respectively connected to both ends of the clamping part. The two connecting parts extend outward in the same direction toward the clamping part. Both connecting parts are connected to the outer wall of the sleeve body. A receiving groove for accommodating the flat cable is formed between the clamping part and the outer wall of the sleeve body.

6. The flat cable locking connector according to claim 5, characterized in that, The connecting part has a third connecting hole, and the sleeve body has a fourth connecting hole that aligns with the third connecting hole. The flat cable locking connector also includes a second bolt and a second nut. The second bolt passes through the third connecting hole and the fourth connecting hole and is connected to the second nut to fix the sealing end cap on the sleeve body.

7. The flat cable locking connector according to claim 1, characterized in that, The sealing joint is provided with a second sealing element, which is used to seal the gap between the sealing joint and the flat cable.

8. The flat cable locking connector according to claim 1, characterized in that, The sealing joint includes a threaded portion with external threads, and the sleeve body has a threaded hole, with the threaded portion and the threaded hole being threadedly engaged.

9. The flat cable locking connector according to claim 1, characterized in that, The sealing joint connects a third nut and a fourth nut, which are used to lock onto both sides of the housing wall of the electrical equipment to fix the sealing joint to the electrical equipment.

10. A wiring device, characterized in that, The invention includes a flat cable, an electrical device, and a flat cable locking connector as described in any one of claims 1-9, wherein the flat cable passes through the cable locking connector and is electrically connected to the electrical device, and the flat cable locking connector is fixed to the electrical device by the sealing connector.